1268473399 has 2 divisors, whose sum is σ = 1268473400. Its totient is φ = 1268473398.

The previous prime is 1268473387. The next prime is 1268473447. The reversal of 1268473399 is 9933748621.

It is a weak prime.

It is an emirp because it is prime and its reverse (9933748621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1268473399 - 2¹³ = 1268465207 is a prime.

It is a super-2 number, since 2×1268473399² = 3218049527941226402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1268473319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634236699 + 634236700.

It is an arithmetic number, because the mean of its divisors is an integer number (634236700).

Almost surely, 2^1268473399 is an apocalyptic number.

1268473399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268473399 is an equidigital number, since it uses as much as digits as its factorization.

1268473399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 52.

The square root of 1268473399 is about 35615.6341934269. The cubic root of 1268473399 is about 1082.4980467085.

The spelling of 1268473399 in words is "one billion, two hundred sixty-eight million, four hundred seventy-three thousand, three hundred ninety-nine".